Craftsman
Front-Engine Lawn Tractor

Model # 502270110 Official Craftsman 10-hp 30" lawn mower & mulcher

Here are the diagrams and repair parts for Official Craftsman 502270110 10-hp 30" lawn mower & mulcher, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 320 parts  |

E-ring STD581075
#72

Motion drive diagram

E-ring

Part #STD581075

Replaced by #812000029

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Manufacturer substitution
This part replaces STD581075. Substitute parts can look different from the original.
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$3.50
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Ignition Switch 21064
#12

Electrical system diagram

Ignition switch

Part #21064

Replaced by #532365402

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Manufacturer substitution
This part replaces 21064. Substitute parts can look different from the original.
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$21.55
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Blade 56212E701
#51

Mower housing diagram

Blade

Part #56212E701

Replaced by #56246E701MA

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Manufacturer substitution
This part replaces 56212E701. Substitute parts can look different from the original.
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$28.71
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Belt 37X57
#1

Mower housing diagram

Belt

Part #37X57

Replaced by #37X57MA

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Manufacturer substitution
This part replaces 37X57. Substitute parts can look different from the original.

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$36.81
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Usa Solenoid 94613
#9

Electrical system diagram

Usa solenoid

Part #94613

Replaced by #7701100MA

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Manufacturer substitution
This part replaces 94613. Substitute parts can look different from the original.
$25.11
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Battery 92196
#4

Electrical system diagram

Battery

Part #92196

The manufacturer no longer makes this part, and there's no substitute part

Hub Cap 94618
Hub cap

Part #94618

Replaced by #94618MA

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Manufacturer substitution
This part replaces 94618. Substitute parts can look different from the original.
In Stock
Hairpin Pin 31X4
#23

Mower housing suspension diagram

Hairpin pin

Part #31X4

Replaced by #703300

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Manufacturer substitution
This part replaces 31X4. Substitute parts can look different from the original.
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Lock Nut STD541431
Lock nut

Part #STD541431

The manufacturer no longer makes this part, and there's no substitute part

Key 91275
#13

Electrical system diagram

Key

Part #91275

Replaced by #691959

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Manufacturer substitution
This part replaces 91275. Substitute parts can look different from the original.
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Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

Main causes: shift lever needs adjustment, neutral control needs adjustment…

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…

Main causes: faulty battery, bad alternator…

Most common repair guides to help fix your riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

How to replace a riding lawn mower rear tire

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.…

Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower blade

How to replace a riding lawn mower blade

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.…

Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower fuel filter

How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

How to remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer…

Charging a battery in a riding lawn mower video

Charging a battery in a riding lawn mower video

Learn how to use a battery charger if your mower battery is dead.…

Riding mower and tractor common questions

Riding mower and tractor common questions

You might find the answers to your questions about your riding mower or lawn tractor in this list of frequently asked qu…